DR. ERIN A HSU M.D.
NPI 1366481509
Internal Medicine - Infectious Disease in San Francisco, CA

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
97.22/100
CMS Quality Rating
2100 WEBSTER STREET, SUITE 400, SAN FRANCISCO, CA 94115(415) 923-3883(415) 749-5705 Get Directions Write a Review

NPPES record last updated: October 1, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Erin A Hsu M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERIN A HSU M.D. (NPI 1366481509) is an individual infectious disease provider in San Francisco, California, licensed in California (A89312) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2003).

NPPES Registry Identity

NPI1366481509
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. ERIN A HSUCredential: M.D.
Location Address2100 WEBSTER STREET, SUITE 400San Francisco, CA 94115-2378
Mailing Address2100 Webster St, Suite 400San Francisco, CA 94115-2373 · (415) 923-3883 · Fax (415) 749-5705
Fax(415) 749-5705
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2003
Enumeration DateJune 5, 2006
Last NPPES UpdateOctober 1, 2014
NPI 1366481509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in CA · A89312
Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

2100 WEBSTER STREET, San Francisco, CA 94115

Other Identifiers 1

Medicare UPINI56382

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Erin A Hsu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294738639
PECOS Enrollment IDI20060824000310
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Follow-up hospital inpatient care per day, typically 35 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
231 services109 patients
Follow-up hospital inpatient care per day, typically 15 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
89 services51 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
74 services26 patients
Initial hospital inpatient care per day, typically 70 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
70 services62 patients
Follow-up hospital inpatient care per day, typically 25 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
50 services41 patients
Follow-up nursing facility visit per day, typically 25 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
27 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.33
Promoting Interoperability100
Improvement Activities40
Cost69.53

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Medical Oncology)
2100 WEBSTER STREET, #326
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2100 WEBSTER STREET, SUITE 309
SAN FRANCISCO, CA 94115
Internal Medicine (Medical Oncology)
2100 WEBSTER STREET, SUITE 326
SAN FRANCISCO, CA 94115
Dermatology
2100 WEBSTER STREET, SUITE 428
SAN FRANCISCO, CA 94115
Orthopaedic Surgery
2100 WEBSTER STREET, SUITE 300
SAN FRANCISCO, CA 94115
Surgery (Plastic and Reconstructive Surgery)
2100 WEBSTER STREET, SUITE 506
SAN FRANCISCO, CA 94115
Surgery (Plastic and Reconstructive Surgery)
2100 WEBSTER STREET, SUITE 506
SAN FRANCISCO, CA 94115
Surgery
2100 WEBSTER STREET, #401
SAN FRANCISCO, CA 94115

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366481509, enumerated as an "individual" on June 05, 2006.

The provider is located at 2100 WEBSTER STREET SUITE 400 SAN FRANCISCO, CA 94115 and the phone number is (415) 923-3883.

Internal Medicine with taxonomy code 207RI0200X and a focus in Infectious Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.